Phenotypes associated with this allele
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Find Mice |
Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ercc2tm2(ERCC2)Jhjh mutation
(0 available);
any
Ercc2 mutation
(23 available)
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cellular
immune system
N |
• somatic hypermutation rates in memory B cells are normal
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Find Mice |
Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ercc2tm2(ERCC2)Jhjh mutation
(0 available);
any
Ercc2 mutation
(23 available)
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Cutaneous phenotypes of Ercc2tm2(ERCC2)Jhjh/Ercc2tm2(ERCC2)Jhjh and Ercc2tm2(ERCC2)Jhjh/Ercc2tm2Jmch mice
mortality/aging
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• most dead by 1 year
(J:48256)
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• acquire an aged appearance beginning at 3 months of age
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neoplasm
N |
• no sign of cancer predisposition after exposure to a daily dose of 80 J/m2 UV
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• increased UV- and DMBA-induced skin cancer susceptibility
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pigmentation
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• show patchy depigmentation earlier and more frequently than wild-type as they age
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behavior/neurological
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• occasional tremors, however no overt myelination defect
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growth/size/body
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• progressive weight loss and cachexia as death neared
(J:48256)
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• evident from birth
(J:48256)
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hematopoietic system
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• mild normochrome anemia at 6 months of age
(J:76608)
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immune system
reproductive system
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• older females (~16 months) showed ovarian dysfunction, ranging from complete anovulation to sporadic, seemingly normal, ovulation
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(J:48256)
• females lose fertility over time, never produce more than one litter and never produce a litter after 6 months of age, although initial sexual development is unimpaired
(J:76608)
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skeleton
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• showed signs of skeleton abnormalities
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• prominently exhibited in older mice (14 months of age)
(J:76608)
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• reduced radiodensity of skeleton, except for skull, observed in older mice (14 months of age)
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adipose tissue
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• adipose tissue hypoplasia, most prominent at older age
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endocrine/exocrine glands
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• benign hyperplasia of the sebaceous gland
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homeostasis/metabolism
cellular
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• following UV exposure DNA incision activity and unscheduled DNA synthesis are decreased compared to wild-type MEFs
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integument
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• benign hyperplasia of the sebaceous gland
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• reduced cysteine content of hair and increased fraction of intermedaite filament keratins in hair
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• show patchy depigmentation earlier and more frequently than wild-type as they age
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• progressive hair loss, beginning at head around P19
• by 4 weeks of age, most hair absent, except a small band of fur at feet and tail
• mew coat grew with second cycle of hair growth, but progressive hair loss again followed
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• abnormal cuticle structure
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• follicular plugging and dilation
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• thickening of the granular layer
(J:48256)
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• ichthyosis, particularly in the neck region
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• ichthyosis, particulary in the neck region
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Find Mice |
Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ercc2tm1Jhjh mutation
(0 available);
any
Ercc2 mutation
(23 available)
Ercc2tm2(ERCC2)Jhjh mutation
(0 available);
any
Ercc2 mutation
(23 available)
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mortality/aging
neoplasm
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• increased DMBA-induced skin cancer susceptibility
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• increased UV- and DMBA-induced skin cancer susceptibility
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• increased UV-induced skin cancer susceptibility
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adipose tissue
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• adipose tissue hypoplasia
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behavior/neurological
growth/size/body
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• progressive weight loss and cachexia as death neared
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hematopoietic system
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• decreased hemoglobin concentration
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cellular
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• increased sensitivity of MEFs to UV irradiation
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homeostasis/metabolism
integument
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• progressive hair loss, beginning at head ~P19
• by 4 weeks of age, most hair absent, except a small band of fur at feet and tail
• new coat grew with second cycle of hair growth, but progressive hair loss again followed
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• abnormal cuticle structure
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• follicular plugging and dilation
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• ichthyosis, particularly in the neck region
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• ichthyosis, particularly in the neck region
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• increased UV- and DMBA-induced skin cancer susceptibility
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Find Mice |
Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ercc2tm1Jmch mutation
(0 available);
any
Ercc2 mutation
(23 available)
Ercc2tm2(ERCC2)Jhjh mutation
(0 available);
any
Ercc2 mutation
(23 available)
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mortality/aging
N |
• normal lifespan unlike Ercc2tm2(ERCC2)Jhjh homozygotes
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cellular
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• UV sensitivity is less than in Ercc2tm2(ERCC2)Jhjh Ercc2tm1Jhjh compound heterozygotes
• decrease in UV sensitivity is not as large as in Ercc2tm2(ERCC2)Jhjh Ercc2tm2Jmch compound heterozygotes
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growth/size/body
N |
• full rescue of age-related cachexia that is seen in Ercc2tm2(ERCC2)Jhjh homozygotes
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integument
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• only seen during the first hair cycle and only locally on the back
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|
Find Mice |
Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ercc2tm2(ERCC2)Jhjh mutation
(0 available);
any
Ercc2 mutation
(23 available)
Ercc2tm2Jmch mutation
(0 available);
any
Ercc2 mutation
(23 available)
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Cutaneous phenotypes of Ercc2tm2(ERCC2)Jhjh/Ercc2tm2(ERCC2)Jhjh and Ercc2tm2(ERCC2)Jhjh/Ercc2tm2Jmch mice
mortality/aging
N |
• normal lifespan unlike Ercc2tm2(ERCC2)Jhjh homozygotes
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growth/size/body
N |
• full rescue of age-related cachexia that is seen in Ercc2tm2(ERCC2)Jhjh homozygotes
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• partial rescue of developmental delay compared to Ercc2tm2(ERCC2)Jhjh homozygotes
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hematopoietic system
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• partially rescued compared to Ercc2tm2(ERCC2)Jhjh homozygotes
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skeleton
N |
• mice do not develop osteoporosis or kyphosis any earlier than wild-type mice
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cellular
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• UV sensitivity is less than in Ercc2tm2(ERCC2)Jhjh homozygotes
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integument
N |
• absence of acanthosis, hyperkeratosis, and granular layer and sebacious gland hyperplasia
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• only seen during the first hair cycle and only locally on the back
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• less severe than in Ercc2tm2(ERCC2)Jhjh homozygotes
• only a very low frequency of broken hairs
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Find Mice |
Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ercc2tm2(ERCC2)Jhjh mutation
(0 available);
any
Ercc2 mutation
(23 available)
Ercc2tm3Jhjh mutation
(0 available);
any
Ercc2 mutation
(23 available)
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Find Mice |
Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ercc2tm2(ERCC2)Jhjh mutation
(0 available);
any
Ercc2 mutation
(23 available)
Xpatm1Hvs mutation
(4 available);
any
Xpa mutation
(22 available)
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mortality/aging
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• surviving mice dead by 22 days of age
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behavior/neurological
growth/size/body
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• develop extreme cachexia by 2-3 weeks of age
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• exhibit a retarded but steady growth until 1.5 weeks, but fail to gain weight after 2-3 weeks
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skeleton
adipose tissue
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• complete absence of body fat, including subcutaneous fat
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cellular
integument
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• severe dilation of hair follicles
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• excessive epidermal hyperkeratosis
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|
Find Mice |
Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ercc2tm2(ERCC2)Jhjh mutation
(0 available);
any
Ercc2 mutation
(23 available)
Ercc3tm2Jhjh mutation
(0 available);
any
Ercc3 mutation
(31 available)
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mortality/aging
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• mice die within 2 days of birth
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cellular
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• mouse embryonic fibroblasts exhibit increased sensitivity to oxidative stress induced by paraquat treatment compared to similarly treated wild-type cells
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• mouse embryonic fibroblasts exhibit slightly increased UV sensitivity compared to cells homozygous for either allele
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growth/size/body
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• mice fail to grow after birth despite nursing normally
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